/*
 * Copyright (c) 2011-2018, Meituan Dianping. All Rights Reserved.
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.dianping.cat.report.page.state.task;

import java.util.Stack;

import com.dianping.cat.consumer.state.StateReportMerger;
import com.dianping.cat.consumer.state.model.entity.Machine;
import com.dianping.cat.consumer.state.model.entity.ProcessDomain;
import com.dianping.cat.consumer.state.model.entity.StateReport;

public class HistoryStateReportMerger extends StateReportMerger {

	public HistoryStateReportMerger(StateReport stateReport) {
		super(stateReport);
	}

	protected void visitMachineChildren(Machine to, Machine from) {
		Stack<Object> objs = getObjects();

		for (ProcessDomain source : from.getProcessDomains().values()) {
			ProcessDomain target = to.findProcessDomain(source.getName());

			if (target == null) {
				target = new ProcessDomain(source.getName());
				to.addProcessDomain(target);
			}

			objs.push(target);
			source.accept(this);
			objs.pop();
		}
	}

}
